Gingival sulci
[医] 龈沟
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
[医] 沟
🗣️ 情景例句
OK. Thanks. See you later.
好 谢谢。再见。
The children were thrilled with joy at the sight of the parade.
孩子们看到游行队伍时异常兴奋。
It's not my fault.
不是我的错。